Compilare: main.cpp: In function 'int main()': main.cpp:12:28: warning: right operand of comma operator has no effect [-Wunused-value] 12 | fin >> cross, streets, bar; | ^~~ main.cpp:12:31: warning: right operand of comma operator has no effect [-Wunused-value] 12 | fin >> cross, streets, bar; | ^ main.cpp:54:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for (int i = 0; i < unvis.size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp:14:40: warning: 'streets' is used uninitialized [-Wuninitialized] 14 | vector<vector<int>> adjList(streets); | ^ main.cpp:11:16: note: 'streets' was declared here 11 | int cross, streets, bar; | ^~~~~~~ main.cpp:25:23: warning: 'bar' may be used uninitialized [-Wmaybe-uninitialized] 25 | for (int i = 0; i < bar; i++) { | ~~^~~~~ main.cpp:11:25: note: 'bar' was declared here 11 | int cross, streets, bar; | ^~~